NET LOSS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator:
Net loss	$ (2,152)	$ (4,638)	$ (7,014)	$ (10,633)
Less: dividends accumulated on convertible preferred stock	1,654	1,474	3,244	2,892
Numerator of basic and diluted EPS	$ (3,806)	$ (6,112)	$ (10,258)	$ (13,525)
Denominator:
Weighted-average common shares outstanding	23,786	6,518	23,786	6,195
Net loss per share attributable to common shareholders (basic and diluted)	$ (0.16)	$ (0.94)	$ (0.43)	$ (2.18)
Aggregate number of common equivalent shares (related to options, warrants and preferred stock) that have been excluded from computations of diluted net loss per common share			4,300	2,600